perpetual motion machine

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Noun1.perpetual motion machine - a machine that can continue to do work indefinitely without drawing energy from some external sourceperpetual motion machine - a machine that can continue to do work indefinitely without drawing energy from some external source; impossible under the law of conservation of energy
machine - any mechanical or electrical device that transmits or modifies energy to perform or assist in the performance of human tasks
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
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Peter Jones, brother of Dr David Jones, who created a fake perpetual motion machine Tim McGuinness
Peter Jones, brother of Dr David Jones, pictured far left, who created a fake perpetual motion machine, pictured.
The water kit scandal arose in 2012 when Pakistani inventor' Agha Waqar claimed to have designed a perpetual motion machine that would utilise water as fuel for cars.
(Kyle Catlett) sets off alone from his remote ranch home in Montana to collect a design prize from the Smithsonian Institute in Washington for his "perpetual motion machine".
Even Mom retreats into herself, so when the little genius gets a call saying his perpetual motion machine is being recognized by the Smithsonian, he packs a suitcase and heads to D.C.
With enough capital input it can be a perpetual motion machine that will run until the global population of biological invaders is exhausted,” said BioInvaders President Brett Scott.
He looks at Zeno's paradox of the tortoise and Achilles; Olber's paradox of why it gets dark at night; Maxwell's demon and the possibility of a perpetual motion machine; relativistic paradoxes related to aging, distance; the basic temporal paradox or the grandfather paradox; Laplace's demon and the butterfly effect; Schrodinger's cat and other quantum phenomena; and Fermi's paradox and the presence of intelligent life in the universe.
US economic sanctions against Iran have hurt ordinary Iranians as the US Treasury has become a perpetual motion machine, slapping new penalties on Iranian individuals and institutions on an almost weekly basis.
That made the device self-acting, and, as long as the water supply remained steady, the hydraulic ram was virtually a perpetual motion machine. Today, Montgolfier is credited with being the father of both manned flight and the hydraulic ram.
It's a perpetual motion machine of economic frustration.
In a sense the time crystal would be a perpetual motion machine: If scientists could build one in a lab, it would run forever.
In the first decade of the twentieth century, German writer Paul Scheerbart attempted to build a perpetual motion machine. Scheerbart was no scientist--he hired plumbers and mechanics to construct his designs--and the only product of the quixotic but disconcertingly earnest endeavor was fuel for Scheerbart's imagination.

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